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LA480 LA1080
LA580 LA1480
HIGH SPEED
LA680 LA1880
LA780 LA2080
CAR AMPLIFIER
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Le al • P • S • V • R • H • P Congratulations on your purchase of a new Legacy Blue Diamond Series amplifier! Legacy amps are some of the most advanced car amplification products available. These quality audio products are designed and engineered to afford USER MANUAL you years of uncompromised musical service. Legacy has utilized the latest table of contents electronic technologies in order to deliver a superb listening experience. 1 SPECIFICATIONS 2 LA480/580/780/1480/1880/2080 FEATURES & This
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Legacy Blue Diamond Amplifier Features all amps feature: • Polished chrome finish w/plexiglass panel • Fully adjustable electronic crossover network • Soft turn on/off circuit • Remote control Bass boost(0– +18dB @ 60Hz ) • Variable gain control • 2 ohm stereo stable • Remote turn on/off • Bridgeable into 4 ohms • Hi/low level inputs • MOSFET PWM power supplies • Power on LED indicator • LED protection indicator LA480 LA580 LA680 LA780 LA1080 LA1480 LA1880 LA2080 Specifications 2CH amplifier 2CH
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3 2 1 1 Speaker Terminals These terminals are 14K Gold plated for high conductivity and minimum impedance loss. The terminals face upwards for easy wiring in tight situations. 2 Fuse Protects the amplifier as well as the automobile electrical system from short circuit conditions. 3 Power Supply Terminals Input Level Control 4 Use this control to match the output of the head unit to the amplifier. If distortion is present, reduce the setting of this control. 5 Crossover Mode Switch In a full rang
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2 1 3 1 Speaker Terminals vity These terminals are 14K Gold plated for high conductivity and minimum impedance loss. The terminals face upwards for easy wiring in tight situations. 2 Fuse cal Protects the amplifier as well as the automobile electrical system from short circuit conditions. 3 Power Supply Terminals Input Level Control 4 Use this control to match the output of the head unit to the amplifier. If distortion is present, reduce the setting of this control. 5 Crossover Mode Switch In a
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REM REM FUSE FUUSE Making Power Connections +– CH1 +– CH2 +– CH3 + CH CH44 – GND GND 12 12VV 1. Connect the +12V terminal directly to the car battery (+) terminal. BRIDGED BRIDGED BRIDGED + – + – 2. Connect the GROUND terminal directly to the car battery (-) terminal OR to a good clean, paint-free chassis ground point. 3. To ensure a good ground, and to prevent “motor-boating” noise in the system, make an additional connection from the car battery to remote turn-on (-) terminal to the chassis of
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LA480 Low Level Stereo Input Connection REM FUSE LA580 CH4 GND 12V LA780 BRIDGED LOW IN LA1480 L REMOTE BASS BOOST BASS HPF LPF BOOST FREQ. LEVEL RL LA1880 PROTECT POWER R 80 2.5k 35 400 0 18db MIN MAX H2 H2 HI IN LA2080 2CH AMPS head unit L/R audio outputs 5 PLEASENOTE!Ifusinghighlevel High Level Stereo Input Connection inputs, do not use the low level RCA inputs at the same time! LOW IN L REMOTE BASS BOOST BASS HPF LPF BOOST FREQ. LEVEL RL PROTECT POWER R 80 2.5k 35 400 0 18db MIN MAX H2 H2 HI
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BASS BASS CH4 CH2 LEVEL FREQ. BOOST LPF HPF HPF LPF BOOST FREQ. LEVEL LA680 CH4 CH3 CH2 CH1 MIN MAX MIN MAX 0 18db 35 400 80 2.5k 80 2.5k 35 400 0 18db HI IN HI IN CH3 CH1 H2 H2 H2 H2 REMOTE BASS BOOST CH3/4 LA1080 PROTECT POWER LOW IN LOW IN 4CH AMPS Low Level 4 CH Stereo Input from 2 CH Audio Source Left Output head unit Right Output Y adaptors BASS BASS CH4 CH2 LEVEL FREQ. BOOST LPF HPF HPF LPF BOOST FREQ. LEVEL CH4 CH3 CH2 CH1 MIN MAX MIN MAX 0 18db 35 400 80 2.5k 80 2.5k 35 400 0 18db HI IN
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BASS BASS CH4 CH2 LEVEL FREQ. BOOST LPF HPF HPF LPF BOOST FREQ. LEVEL LA680 CH4 CH3 CH2 CH1 MIN MAX MIN MAX 0 18db 35 400 80 2.5k 80 2.5k 35 400 0 18db HI IN HI IN CH3 CH1 H2 H2 H2 H2 REMOTE BASS BOOST CH3/4 LA1080 PROTECT POWER LOW IN LOW IN 4CH AMPS High Level 4 CH Stereo Input wiring harness from 4CH Audio Source floa ting ground connection head unit orange orange LR LR black black black black orange orange REAR FRONT 7 BASS BASS CH4 CH2 LEVEL FREQ. BOOST LPF HPF HPF LPF BOOST FREQ. LEVEL CH4
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REM LOW IN FUSE L GND 12V REMOTE BASS BOOST BASS HPF LPF BOOST FREQ. LEVEL RL PROTECT POWER R LA480 80 2.5k 35 400 0 18db MIN MAX H2 H2 HI IN LA580 LA780 Bridged Input Connection to a second LA1480 amplifier LA1880 head unit LA2080 2CH AMPS Y adaptors BASS BASS CH4 CH2 REM LEVEL FREQ. BOOST LPF HPF HPF LPF BOOST FREQ. LEVEL FUSE CH4 GND 12V CH4 CH3 CH2 CH1 MIN MAX MIN MAX 0 18db 35 400 80 2.5k 80 2.5k 35 400 0 18db HI IN HI IN CH3 CH1 H2 H2 H2 H2 REMOTE BASS BOOST CH3/4 LA680 PROTECT POWER LOW I
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REM REM FUSE FU USE +–LR+ – GND GND 12 12VV LA480 + BRIDGED – LA580 Basic Stereo Output LA780 LA1480 LA1880 LA2080 2CH AMPS LEFT speaker RIGHT speaker 9 REM REM FUSE FUUSE +– CH1 +– CH2 +– CH3 + CH CH44 – GND GND 12 12VV LA680 BRIDGED BRIDGED BRIDGED + – + – LA1080 4CH AMPS Basic 4CH Output R L RL FRONT REAR speakers speakers Speaker Connections speakers
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REM REM REM FUSE FU USE FUSE +–LR+ – GND 12V GND GND 12 12VV CH4 LA480 + BRIDGED – BRIDGED LA580 Bridged Mono Output LA780 LA1480 LA1880 MINIMUM SPEAKER LA2080 IMPEDANCE 2CH AMPS speaker 4 OHMS! REM REM FUSE FUUSE GND GND 12 12VV +– CH1 +– CH2 +– CH3 + CH CH44 – LA680 + BRIDGED – + BRIDGED BRIDGED – LA1080 4CH AMPS 2 CH Mono-Bridged Output speakers MINIMUM SPEAKER LR IMPEDANCE 4 OHMS! Speaker Connections
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REM REM REM FUSE FUSE FUUSE GND GND 12 12VV GND 12V +– CH1 +– CH2 +– CH3 + CH CH44 – LA680 + BRIDGED – + BRIDGED BRIDGED – LA1080 4CH AMPS 2 CH Stereo plus Mono-Bridged Subwoofer Output speakers MINIMUM SPEAKER IMPEDANCE 4 OHMS! L R Mono Subwoofer 11 TROUBLESHOOTING Before removing your amplifier, refer to the list below Amplifier will not power up. and follow the suggested procedures. Always test the • Check for good ground connection. speakers and their wires first. • Check that remote DC term
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MANUFACTURER’S LIMITED TWO YEAR WARRANTY LEGACY SOUND CORP. warrants this unit to be free from defective material or workmanship and will repair or replace this unit or any part thereof if it proves defective in normal use or service within two (2) years from the date of original purchase. Our obligation under this warranty is limited to repairing or replacing, at our discretion, the defective instrument or any part thereof when it is returned, transportation prepaid to the Legacy Service Center
